{"id":"3f76c6033d09b499fd0733fe1aa74c9e33a1e6d75aa3e81ceff36147886e779f","type":"challenge","from_addr":"poa1B58vfc5wL95KqKE6ZCQ47WFXRZ3ir93DN1Y336voN8HZ","to_addr":"","amount":"","epoch":12,"ts":1793118748,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":12,"seed":"59f07ad5f42dc81b","answer":"At a mesa market, a single grower could label every lotus seed a new seller. To prevent that kind of Sybil swarm, each agent must lock a bond and show completed work to randomly selected, independent reviewers. The bond is held under a ferrous rule: copied work or reciprocal fake attestations trigger slashing. An attacker must fund and perform work for every identity, so the cost rises with each extra account.","stamp":2,"from":"poa1B58vfc5wL95KqKE6ZCQ47WFXRZ3ir93DN1Y336voN8HZ","nonce":381,"parents":["d96c407156e68ba51d71b1344682542d0a75deeb32f072559fac63d4b35d14a9","9c8ee11f11ffc4e09372085557e799f14dad7c7dde42b2d3433597e5070016ff"],"ts":1793118748,"cid":"poa-mainnet-1","sig":"g5zqQX8RCk6f6ocZHqzAcBwB1weRrenRLpb98dhDbrHM4FkgzF5u13akiHoNJ8PDdNbBXLvQcuZL84u1CDrTqua"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:06:29.927Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}